Home / 11,247.93-15,507.59-7,704.81

Finding the Fourth Proportional to 11,247.93, 15,507.59 and 7,704.81

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Solution

The fourth proportional to 11,247.93, 15,507.59 and 7,704.81 is: 10,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.93 : 15,507.59 = 7,704.81 : x
  2. Step 2: Convert to fraction form
    11,247.93/15,507.59 = 7,704.81/x
  3. Step 3: Cross multiply
    11,247.93x = 15,507.59 × 7,704.81
  4. Step 4: Simplify right side
    11,247.93x = 119,482,995.98
  5. Step 5: Solve for x
    x = 119,482,995.98/11,247.93
  6. Step 6: Final answer
    x = 10,622.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.